A344479 - cp's OEIS frontend

A344479 Square array T(n,k), n >= 1, k >= 1, read by antidiagonals, where T(n,k) = Sum_{1 <= x_1, x_2, ..., x_k <= n} gcd(x_1, x_2, ..., x_k).

n	a(n)
1	1
2	1
3	3
4	1
5	5
6	6
7	1
8	9
9	12
10	10
11	1
12	17
13	30
14	24
15	15
16	1
17	33
18	84
19	76
20	37
21	21
22	1
23	65
24	246
25	276
26	141
27	61
28	28
29	1
30	129
31	732
32	1060
33	649
34	267
35	80
36	36
37	1
38	257
39	2190
40	4164
41	3165
42	1417
43	400
44	112
45	45
46	1
47	513
48	6564
49	16516
50	15697
51	8091
52	2528
53	624
54	145
55	55
56	1
57	1025
58	19686
59	65796
60	78261
61	47521
62	17128
63	4432
64	885
65	189
66	66

[1, 1, 3, 1, 5, 6, 1, 9, 12, 10, 1, 17, 30, 24, 15, 1, 33, 84, 76, 37, 21, 1, 65, 246, 276, 141, 61, 28, 1, 129, 732, 1060, 649, 267, 80, 36, 1, 257, 2190, 4164, 3165, 1417, 400, 112, 45, 1, 513, 6564, 16516, 15697, 8091, 2528, 624, 145, 55, 1, 1025, 19686, 65796, 78261, 47521, 17128, 4432, 885, 189, 66]

cp's OEIS Frontend

A344479 Square array T(n,k), n >= 1, k >= 1, read by antidiagonals, where T(n,k) = Sum_{1 <= x_1, x_2, ..., x_k <= n} gcd(x_1, x_2, ..., x_k).

Table of values

List of values